public static void setUpBeforeClass() throws Exception {
bus = BusFactory.getDefaultBus();
// create and publish event source
JaxWsServerFactoryBean factory = new JaxWsServerFactoryBean();
factory.setBus(bus);
factory.setServiceBean(new TestingEventSource());
factory.setAddress(URL_EVENT_SOURCE);
factory.setTransportId(LocalTransportFactory.TRANSPORT_ID);
eventSource = factory.create();
// create and publish subscription manager